M2.1 earthquake 53 km SSE of Adak, Alaska
A magnitude 2.1 earthquake struck 53 km SSE of Adak, Alaska on Wed, Aug 15, 2018, 7:08 PM HADT (04:08 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M5.1 94 km SW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2018-08-16 04:08:51 UTC
- Depth
- 21.4 km (13.3 mi), shallow
- Epicenter
- 51.447° N, 176.280° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 19
Nearby
Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 72 in the 30 days before it.
After
- 1.795 km SW of Adak, Alaska · 2969 days ago · 42 km deep · 100 km away
- 1.561 km S of Adak, Alaska · 2969 days ago · 26 km deep · 30 km away
- 2.2109 km SSW of Atka, Alaska · 2969 days ago · 49 km deep · 94 km away
- 1.598 km SW of Adak, Alaska · 2968 days ago · 26 km deep · 99 km away
- 3.8102 km SW of Adak, Alaska · 2968 days ago · 27 km deep · 100 km away
- 2.185 km SW of Adak, Alaska · 2967 days ago · 35 km deep · 83 km away
- 1.981 km SW of Atka, Alaska · 2967 days ago · 34 km deep · 85 km away
- 1.796 km SW of Adak, Alaska · 2967 days ago · 17 km deep · 95 km away
- 3.196 km SW of Adak, Alaska · 2966 days ago · 24 km deep · 94 km away
- 1.851 km S of Adak, Alaska · 2966 days ago · 33 km deep · 22 km away
- 1.896 km SW of Adak, Alaska · 2966 days ago · 42 km deep · 100 km away
- 1.8100 km SW of Adak, Alaska · 2966 days ago · 26 km deep · 99 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 2966 days ago · 35 km deep · 89 km away
- 2.040 km SSE of Adak, Alaska · 2966 days ago · 52 km deep · 15 km away
- 2.097 km SW of Adak, Alaska · 2966 days ago · 43 km deep · 99 km away
- 2.114 km ENE of Adak, Alaska · 2965 days ago · 98 km deep · 52 km away
- 2.173 km SE of Adak, Alaska · 2965 days ago · 21 km deep · 36 km away
- 1.947 km SE of Adak, Alaska · 2965 days ago · 32 km deep · 19 km away
- 1.938 km S of Adak, Alaska · 2965 days ago · 46 km deep · 28 km away
- 2.739 km S of Adak, Alaska · 2964 days ago · 35 km deep · 28 km away
- 2.851 km SSE of Adak, Alaska · 2964 days ago · 35 km deep · 9 km away
- 2.349 km SW of Adak, Alaska · 2964 days ago · 39 km deep · 61 km away
- 3.1102 km SW of Adak, Alaska · 2962 days ago · 17 km deep · 93 km away
- 2.991 km SW of Adak, Alaska · 2962 days ago · 31 km deep · 87 km away
- 2.694 km SW of Adak, Alaska · 2962 days ago · 27 km deep · 92 km away
- 1.996 km SW of Adak, Alaska · 2962 days ago · 47 km deep · 97 km away
- 2.496 km SW of Adak, Alaska · 2962 days ago · 42 km deep · 97 km away
- 2.395 km SW of Adak, Alaska · 2962 days ago · 38 km deep · 99 km away
- 2.7100 km SW of Adak, Alaska · 2962 days ago · 33 km deep · 97 km away
- 2.192 km SW of Adak, Alaska · 2962 days ago · 32 km deep · 89 km away
- 2.389 km SW of Adak, Alaska · 2962 days ago · 46 km deep · 91 km away
- 2.294 km SW of Adak, Alaska · 2962 days ago · 21 km deep · 92 km away
- 2.899 km SW of Adak, Alaska · 2962 days ago · 30 km deep · 96 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 2962 days ago · 25 km deep · 87 km away
- 2.295 km SW of Adak, Alaska · 2962 days ago · 34 km deep · 95 km away
- 2.295 km SW of Adak, Alaska · 2962 days ago · 25 km deep · 96 km away
- 2.397 km SW of Adak, Alaska · 2962 days ago · 23 km deep · 98 km away
- 2.297 km SW of Adak, Alaska · 2962 days ago · 22 km deep · 99 km away
- 2.499 km SW of Adak, Alaska · 2962 days ago · 23 km deep · 100 km away
- 2.195 km SW of Adak, Alaska · 2962 days ago · 38 km deep · 97 km away
- 2.296 km SW of Adak, Alaska · 2961 days ago · 23 km deep · 96 km away
- 1.889 km SW of Adak, Alaska · 2961 days ago · 57 km deep · 92 km away
- 1.911 km ENE of Adak, Alaska · 2961 days ago · 74 km deep · 56 km away
- 1.990 km SW of Adak, Alaska · 2961 days ago · 32 km deep · 88 km away
- 2.089 km SW of Adak, Alaska · 2961 days ago · 53 km deep · 94 km away
- 1.863 km SSW of Adak, Alaska · 2960 days ago · 49 km deep · 56 km away
- 1.993 km SW of Adak, Alaska · 2960 days ago · 42 km deep · 92 km away
- 1.887 km SW of Adak, Alaska · 2960 days ago · 42 km deep · 86 km away
- 2.096 km SW of Adak, Alaska · 2960 days ago · 33 km deep · 99 km away
- 2.389 km SW of Adak, Alaska · 2960 days ago · 37 km deep · 91 km away
- 2.19 km ENE of Adak, Alaska · 2960 days ago · 74 km deep · 54 km away
- 1.993 km SW of Adak, Alaska · 2960 days ago · 25 km deep · 96 km away
- 2.458 km SE of Adak, Alaska · 2959 days ago · 24 km deep · 9 km away
- 2.0Andreanof Islands, Aleutian Islands, Alaska · 2959 days ago · 26 km deep · 98 km away
- 2.146 km SW of Adak, Alaska · 2959 days ago · 38 km deep · 58 km away
- 1.991 km SW of Adak, Alaska · 2959 days ago · 23 km deep · 90 km away
- 2.073 km ESE of Adak, Alaska · 2959 days ago · 47 km deep · 40 km away
- 1.852 km SE of Adak, Alaska · 2959 days ago · 46 km deep · 23 km away
- 4.0108 km SSE of Adak, Alaska · 2958 days ago · 29 km deep · 55 km away
- 1.996 km SW of Adak, Alaska · 2958 days ago · 49 km deep · 99 km away
The first 60 of at least 199.
Before
- 1.696 km SW of Adak, Alaska · 2969 days ago · 37 km deep · 98 km away
- 2.476 km SE of Adak, Alaska · 2969 days ago · 19 km deep · 36 km away
- 2.6102 km SW of Adak, Alaska · 2969 days ago · 35 km deep · 99 km away
- 2.381 km WSW of Atka, Alaska · 2969 days ago · 84 km deep · 92 km away
- 1.860 km SSW of Adak, Alaska · 2969 days ago · 43 km deep · 54 km away
- 1.87 km ENE of Adak, Alaska · 2970 days ago · 69 km deep · 54 km away
- 2.250 km SE of Adak, Alaska · 2970 days ago · 21 km deep · 14 km away
- 1.857 km SSE of Adak, Alaska · 2970 days ago · 25 km deep · 9 km away
- 2.243 km NNE of Adak, Alaska · 2970 days ago · 205 km deep · 91 km away
- 2.833 km S of Adak, Alaska · 2971 days ago · 35 km deep · 32 km away
- 4.244 km SW of Adak, Alaska · 2971 days ago · 72 km deep · 56 km away
- 2.078 km SW of Adak, Alaska · 2971 days ago · 41 km deep · 84 km away
- 2.4104 km ESE of Adak, Alaska · 2972 days ago · 31 km deep · 72 km away
- 2.527 km NW of Adak, Alaska · 2972 days ago · 139 km deep · 79 km away
- 2.153 km SSE of Adak, Alaska · 2972 days ago · 23 km deep · 5 km away
- 2.255 km SSE of Adak, Alaska · 2973 days ago · 23 km deep · 3 km away
- 2.051 km SW of Adak, Alaska · 2973 days ago · 43 km deep · 57 km away
- 1.673 km SW of Atka, Alaska · 2974 days ago · 19 km deep · 97 km away
- 2.058 km SSW of Adak, Alaska · 2974 days ago · 35 km deep · 53 km away
- 1.757 km SSE of Adak, Alaska · 2975 days ago · 12 km deep · 5 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak018ah4yop5 (also filed as ak20105982). Read Fri, Oct 2, 2026, 1:51 AM UTC.